Model 2373 EI-DVI UV/VIS Spectrophotometer – Advanced Single Beam Scanning Spectrophotometer for Laboratory Analysis
The Model 2373 EI-DVI UV/VIS Spectrophotometer is a high-precision, solid-state microprocessor-based analytical instrument engineered for fast, accurate, and reproducible spectrophotometric analysis across ultraviolet and visible wavelength regions. Designed for advanced laboratory environments, this single beam scanning spectrophotometer combines intelligent microcontroller technology with high-performance optical engineering to deliver dependable analytical performance for pharmaceutical laboratories, chemical industries, research institutions, biotechnology facilities, environmental laboratories, food testing centers, and academic research applications.
Operating across a broad wavelength range of 190nm to 1100nm, the Model 2373 enables comprehensive UV-visible spectral analysis for absorbance, transmittance, concentration measurements, kinetic studies, wavelength scanning, and multi-wavelength analytical applications. Its advanced optical system incorporates a precision 1200 lines/mm diffraction grating within a single beam monochromator design, providing excellent wavelength accuracy, low stray light interference, superior spectral purity, and highly stable photometric performance.
The instrument features a large 128 × 64 graphical LCD display that enhances user interaction by allowing clear visualization of analytical data, standard calibration curves, and kinetic curves directly on-screen. Simplified operation is further supported through a complete numeric keypad and soft-touch membrane keys that provide efficient parameter entry and user-friendly navigation during laboratory workflows.
The Model 2373 integrates advanced automation capabilities including Auto Wavelength Setting, improving operational efficiency and minimizing manual adjustment requirements. The instrument utilizes high-quality Tungsten and Deuterium lamps for UV and visible spectrum operation, while the pre-aligned lamp design simplifies replacement procedures and minimizes maintenance downtime for laboratory users.
Built for analytical flexibility, the spectrophotometer includes a standard 4-position 10mm cuvette holder and a spacious sample compartment capable of accommodating cuvettes ranging from 5mm to 100mm path lengths using optional holders. The highly stable photometric system, combined with accurate silicon photodiode detection technology, ensures dependable long-term analytical performance for sensitive spectroscopic applications.
For advanced laboratory integration, the Model 2373 offers USB PC connectivity, printer interface support, and included quantitative/kinetic analysis software. Optional professional software expands the instrument’s functionality to include wavelength scanning, multi-wavelength measurements, and specialized DNA/Protein analysis, making it a versatile analytical solution for modern laboratories requiring precision UV-VIS spectroscopy.
Technical Specifications
| Feature | Details |
|---|---|
| Model | 2373 |
| Brand | EI-DVI (EI) |
| Instrument Type | Single Beam UV/VIS Scanning Spectrophotometer |
| Optical System | Single Beam, Grating 1200 lines/mm |
| Wavelength Range | 190 – 1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±0.5 nm |
| Wavelength Repeatability | 0.3 nm |
| Wavelength Resolution | ±0.1 nm |
| Light Source | Tungsten & Deuterium Lamps |
| Detector | Silicon Photodiode |
| Photometric Range | 0 – 200 %T, -0.3 to 3A, 0 – 9999 Conc. |
| Photometric Accuracy | ±0.3 %T or 0.003A @ 1A |
| Photometric Modes | %Transmission, Absorbance, Concentration |
| Stability | ±0.002 A/h @ 500nm |
| Stray Light | <0.05 %T @ 220nm, 340nm |
| Display | 128 × 64 Dots Graphical LCD |
| Keyboard | Soft Touch Membrane Keys with Complete Numeric Keypad |
| Photometric Modes | %Transmission, Absorbance, Concentration |
| Sample Holder | 4 Position 10mm Path-Length Cuvette Holder |
| Maximum Cuvette Accommodation | Up to 100mm Path-Length with Optional Holder |
| Connectivity | USB Port for PC Connectivity, Parallel Printer Port |
| Included Software | Basic Quantitative & Kinetic Analysis Software |
| Optional Software | Wavelength Scan, Multi-Wavelength, DNA/Protein Analysis |
| Power Requirement | 230V ±10% AC, 50Hz |
| Dimensions (L × B × H) | 470 × 370 × 180 mm |
| Approximate Weight | 14 Kg |
| Standard Accessories | 2 Quartz Cuvettes, 4 Glass Cuvettes, Mains Lead, Operation Manual, Dust Cover |
Core Features & User Benefits
- Extended UV-VIS Wavelength Coverage The 190nm–1100nm wavelength range supports advanced ultraviolet and visible spectral analysis for diverse scientific and industrial applications.
- Scanning Spectrophotometer Functionality Advanced wavelength scanning capability enables detailed spectral studies, kinetic analysis, and multi-wavelength testing procedures.
- High Precision Optical System The 1200 lines/mm grating monochromator improves wavelength precision, spectral purity, and analytical reproducibility.
- Graphical LCD Data Visualization Large 128 × 64 graphical LCD allows direct viewing of standard curves and kinetic curves for simplified analytical interpretation.
- Advanced User Interface Complete numeric keypad and soft-touch membrane controls improve operational convenience and laboratory workflow efficiency.
- Exceptional Photometric Stability High stability rating of ±0.002A/h ensures dependable long-duration spectrophotometric analysis with minimal signal drift.
- Flexible Sample Handling Supports cuvettes ranging from 5mm to 100mm path lengths for expanded analytical versatility and specialized laboratory applications.
- USB PC Connectivity & Software Integration Integrated USB interface allows external computer control, data management, and advanced analytical software functionality.
- Expandable Advanced Analysis Software Optional professional software supports wavelength scanning, multi-wavelength analysis, and DNA/Protein testing applications.
Frequently Asked Questions (FAQ)
What is the Model 2373 UV/VIS Spectrophotometer used for?
The Model 2373 UV/VIS Spectrophotometer is designed for accurate spectrophotometric analysis including absorbance, transmittance, concentration measurement, wavelength scanning, and kinetic analysis.
It is widely used in pharmaceutical laboratories, biotechnology research, environmental testing, food analysis, chemical testing, and scientific research facilities requiring advanced UV-VIS spectroscopy.
What wavelength range does the Model 2373 support?
The Model 2373 operates across a broad wavelength range of 190nm to 1100nm, supporting comprehensive ultraviolet and visible spectrum analysis.
This extended wavelength capability allows laboratories to perform advanced analytical testing, spectral scanning, and research applications with improved flexibility.
Can the Model 2373 display standard and kinetic curves?
Yes, the instrument features a graphical LCD display capable of directly showing standard curves and kinetic curves on-screen for easier analytical interpretation.
This functionality improves user convenience and simplifies quantitative and kinetic analysis workflows within laboratory environments.
Does the Model 2373 support advanced software applications?
Yes, the spectrophotometer includes basic PC software for quantitative and kinetic analysis, while optional professional software supports wavelength scanning, multi-wavelength analysis, and DNA/Protein testing.
This expandable software capability enhances laboratory flexibility and supports advanced research applications.
What types of cuvettes can be used with the Model 2373?
The Model 2373 includes a standard 4-position 10mm cuvette holder and can accommodate cuvettes ranging from 5mm to 100mm path lengths using optional holders.
This flexible sample compartment design enables the instrument to support both routine laboratory testing and specialized analytical applications.
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